12. FUEL SYSTEM LIKE 200i SERVICE INFORMATION GENERAL INSTRUCTIONS Gasoline is very dangerous. When working with gasoline, keep sparks and flames away from the working area. Gasoline is extremely flammable and is explosive under certain conditions. Be sure to work in a well-ventilated area. Disconnect the cables of the battery when the engine is running, which could lead to ECU damage. Connect the harness positive (+) cable to the battery negative (-) terminal or connect the harness negative (-) to the battery positive (+) terminal, which could lead to ECU damage. Always keep fuel over 750cc in fuel tank to prevent the fuel pump from damage. SPECIFICATIONS Item Standard Charging voltage of battery > 12V Voltage from the ECU to sensor 50.1V Fuel injector resistance (20°C/68°F) 10.6 ~ 15.9 Engine temperature sensor resistance 2.5k~2.7k (25°C) Throttle position sensor voltage Idle (0°) = 0.230.05V Throttle fully (>90° ) = >3.27V Fuel unit resistance F: 73 E: 955 Crank position sensor resistance 96~144 (20°C/68°F) Inductive ignition coil resistance 0.55~0.75 (for primary coil) Idle 1800100 rpm Normal: 0.4~1.44V Roll sensor voltage Fall down(Over 65°): 3.7~4.4V Heater resistance 6.7~9.5 ( white & white) O2 sensor Volt. Air/Fuel<14.7 (Rich) > 0.80V Air/Fuel>14.7 (Lean) < 0.18V 12-4